Home / 28,477.95-42,738.30-10,726.12

Finding the Fourth Proportional to 28,477.95, 42,738.30 and 10,726.12

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Solution

The fourth proportional to 28,477.95, 42,738.30 and 10,726.12 is: 16,097.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,477.95 : 42,738.30 = 10,726.12 : x
  2. Step 2: Convert to fraction form
    28,477.95/42,738.30 = 10,726.12/x
  3. Step 3: Cross multiply
    28,477.95x = 42,738.30 × 10,726.12
  4. Step 4: Simplify right side
    28,477.95x = 458,416,187.82
  5. Step 5: Solve for x
    x = 458,416,187.82/28,477.95
  6. Step 6: Final answer
    x = 16,097.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.